virtbase.exp revision 1.10
1# Copyright 2010-2023 Free Software Foundation, Inc. 2 3# This program is free software; you can redistribute it and/or modify 4# it under the terms of the GNU General Public License as published by 5# the Free Software Foundation; either version 3 of the License, or 6# (at your option) any later version. 7# 8# This program is distributed in the hope that it will be useful, 9# but WITHOUT ANY WARRANTY; without even the implied warranty of 10# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 11# GNU General Public License for more details. 12# 13# You should have received a copy of the GNU General Public License 14# along with this program. If not, see <http://www.gnu.org/licenses/>. 15 16# This file is part of the gdb testsuite. 17 18if { [skip_cplus_tests] } { return } 19 20standard_testfile .cc 21 22if {[prepare_for_testing "failed to prepare" $testfile $srcfile {debug c++}]} { 23 return -1 24} 25 26if {![runto_main]} { 27 return 28} 29 30gdb_breakpoint [gdb_get_line_number "breakpoint 1"] 31gdb_continue_to_breakpoint "first breakpoint" 32 33# In PR 11226, we failed to print x correctly in the "print *this" 34# case. 35gdb_test "print *this" " = {<mc::Base> = {x = 2}, _vptr.Middle = ${hex}( <\[^>]*>)?, y = 3}" 36gdb_test "print x" " = 2" "print x in get_y" 37 38gdb_breakpoint [gdb_get_line_number "breakpoint 2"] 39gdb_continue_to_breakpoint "second breakpoint" 40 41# In PR 11226, we could not find x here. 42gdb_test "print x" " = 2" "print x in get_z" 43 44gdb_breakpoint [gdb_get_line_number "breakpoint 3"] 45gdb_continue_to_breakpoint "third breakpoint" 46 47# In PR 9629, we failed to print v correctly here. 48gdb_test "print *(D *) e" " = {<C> = {v = 11}, _vptr.D = ${hex}( <\[^>]*>)?}" 49 50# A regression test reported to Red Hat bugzilla, see: 51# https://bugzilla.redhat.com/show_bug.cgi?id=560741 52gdb_test_no_output "set print object on" 53gdb_test "print/x b->mA" " = 0xaaaaaaaa" 54 55# A regression test reported to Red Hat bugzilla, see: 56# https://bugzilla.redhat.com/show_bug.cgi?id=606660 57# `set print object on' is expected. 58gdb_test "print rtti_data" " = .*, data = 1\}" 59 60# Printing a pointer into a virtual base of a larger object used to do 61# pointer adjusment directly into the value being printed, in-place 62# (and did it wrong, too). Print the pointer, and then access the 63# value history to check the pointer value is not changed. If it had 64# been changed, then we'd not be able to find the real type anymore. 65gdb_test "print virtual_middle_b" \ 66 " = \\(Virtual \\*\\) $hex <virtual_o>" \ 67 "print pointer to virtual base at non-zero offset of larger object" 68gdb_test "print $" \ 69 " = \\(Virtual \\*\\) $hex <virtual_o>" \ 70 "print same pointer from history value" 71gdb_test "print *$$" \ 72 " = \\(Virtual\\) {<VirtualMiddleA> = {<VirtualBase> = {_vptr.VirtualBase = ${hex}( <\[^>]*>)?, x = 0}, _vptr.VirtualMiddleA = ${hex}( <\[^>]*>)?, y = \\{0 <repeats 300 times>\\}}, <VirtualMiddleB> = {_vptr.VirtualMiddleB = ${hex}( <\[^>]*>)?, y = 0}, _vptr.Virtual = ${hex}( <\[^>]*>)?, z = 0}" \ 73 "print whole pointed-to object, starting from the virtual base pointer" 74